Pakistan study notes for Matric, Intermediate, B.A, B.COM BSC, M.A, BCS. Free Pakistani Urdu educational school, colleges and University notes.

TORQUE

TORQUE

“The tendency of a force to produce rotation in a body about an axis is called torque or moment of force.”

The turning effect of a force depends upon two factors:

  • The magnitude of force (F)
  • Moment arm (n)

The torque about any axis is given by the product of force and moment arm.

Torque = force x moment arm

OR

Ʈ = F x r

 

Types of Torque:

1. Clockwise torque:

If the body is rotating in the direction of rotation of clock then torque is known as clockwise torque. Clockwise torque is always taken as negative

2. Anticlockwise torque:

If the body is rotating in the opposite direction of rotation of clock then torque is known as anticlockwise torque. Anticlockwise torque is always taken as positive.

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